If there is a browser feature I would like to see appear some day, it's the following one: when I want to listen to a radio or watch a TV channel that reflects real-time its broadcast through a flash plugin in a web page (for example http://france-info.com/), I need to keep the browser running and a tab for that page. I'd love to see a trivial UI way to "detach" the running flash player and make it a totally independent (and of course closeable) window...